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-rw-r--r--include/linux/cgroup.h26
1 files changed, 7 insertions, 19 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index b5223c570eb..1d519688904 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -27,7 +27,6 @@
struct cgroup_root;
struct cgroup_subsys;
-struct inode;
struct cgroup;
extern int cgroup_init_early(void);
@@ -38,7 +37,8 @@ extern void cgroup_exit(struct task_struct *p);
extern int cgroupstats_build(struct cgroupstats *stats,
struct dentry *dentry);
-extern int proc_cgroup_show(struct seq_file *, void *);
+extern int proc_cgroup_show(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *tsk);
/* define the enumeration of all cgroup subsystems */
#define SUBSYS(_x) _x ## _cgrp_id,
@@ -161,11 +161,6 @@ static inline void css_put(struct cgroup_subsys_state *css)
/* bits in struct cgroup flags field */
enum {
- /*
- * Control Group has previously had a child cgroup or a task,
- * but no longer (only if CGRP_NOTIFY_ON_RELEASE is set)
- */
- CGRP_RELEASABLE,
/* Control Group requires release notifications to userspace */
CGRP_NOTIFY_ON_RELEASE,
/*
@@ -235,13 +230,6 @@ struct cgroup {
struct list_head e_csets[CGROUP_SUBSYS_COUNT];
/*
- * Linked list running through all cgroups that can
- * potentially be reaped by the release agent. Protected by
- * release_list_lock
- */
- struct list_head release_list;
-
- /*
* list of pidlists, up to two for each namespace (one for procs, one
* for tasks); created on demand.
*/
@@ -250,6 +238,9 @@ struct cgroup {
/* used to wait for offlining of csses */
wait_queue_head_t offline_waitq;
+
+ /* used to schedule release agent */
+ struct work_struct release_agent_work;
};
#define MAX_CGROUP_ROOT_NAMELEN 64
@@ -536,13 +527,10 @@ static inline bool cgroup_has_tasks(struct cgroup *cgrp)
return !list_empty(&cgrp->cset_links);
}
-/* returns ino associated with a cgroup, 0 indicates unmounted root */
+/* returns ino associated with a cgroup */
static inline ino_t cgroup_ino(struct cgroup *cgrp)
{
- if (cgrp->kn)
- return cgrp->kn->ino;
- else
- return 0;
+ return cgrp->kn->ino;
}
/* cft/css accessors for cftype->write() operation */